Natural Killer Cells
Quest Diagnostics
Sample type: Whole blood
Requires fasting: No
Phlebotomy required
Details
Natural Killer Cells - Low numbers of NK cells are found in individuals who are susceptible to viral infections, including cytomegalovirus and varicella.
- Lymphocytes
- Natural Killer Cells CD3-CD16+CD56+ (Abs)
- CD3-/CD16+CD56+ (%)
Estimated days for results: Results should be available in 2 - 5 business days after the sample is collected
Details
Natural Killer Cells - Low numbers of NK cells are found in individuals who are susceptible to viral infections, including cytomegalovirus and varicella.
What type of sample is required for this test?
5 mL whole blood collected in an EDTA (lavender-top) tube
Test Resources
For more information, please consult your healthcare provider.
3–4 business days
Absolute Lymphocytes
3 days 2000–11500 cells/uL
2 weeks 2000–17000 cells/uL
1 month 2500–16500 cells/uL
2 months 3300–15000 cells/uL
6 months 4000–13500 cells/uL
2 years 4000–10500 cells/uL
6 years 2000–8000 cells/uL
12 years 1500–6500 cells/uL
18 years 1200–5200 cells/uL
>18 years 850–3900 cells/uL
Natural Killer Cells CD3-CD16+CD56+ (ABS)
1 year 160–930 cells/uL
2 years 95–620 cells/uL
6 years 60–540 cells/uL
12 years 70–500 cells/uL
18 years 60–430 cells/uL
>18 years 70–760 cells/uL
CD3-/CD16+CD56+ (%)
1 year 3–14 %
2 years 2–16 %
6 years 3–20 %
12 years 3–19 %
18 years 3–18 %
>18 years 4–25 %
3 days 2000–11500 cells/uL
2 weeks 2000–17000 cells/uL
1 month 2500–16500 cells/uL
2 months 3300–15000 cells/uL
6 months 4000–13500 cells/uL
2 years 4000–10500 cells/uL
6 years 2000–8000 cells/uL
12 years 1500–6500 cells/uL
18 years 1200–5200 cells/uL
>18 years 850–3900 cells/uL
Natural Killer Cells CD3-CD16+CD56+ (ABS)
1 year 160–930 cells/uL
2 years 95–620 cells/uL
6 years 60–540 cells/uL
12 years 70–500 cells/uL
18 years 60–430 cells/uL
>18 years 70–760 cells/uL
CD3-/CD16+CD56+ (%)
1 year 3–14 %
2 years 2–16 %
6 years 3–20 %
12 years 3–19 %
18 years 3–18 %
>18 years 4–25 %
Blood Draw Options with Fullscript
Fullscript offers several convenient phlebotomy options to complete your lab testing:
Quest Diagnostics Patient Service Centers (PSC)
- Location: Visit a nearby Quest Diagnostics Patient Service Center.
- Cost: $10 sample collection fee (paid during lab order checkout).
- Scheduling: Schedule your appointment here. Appointments are recommended to reduce wait times. Walk-ins are accepted, but may experience delays. Aim to arrive 10 minutes before your appointment.
- Collection Instructions:
- Bring a valid ID.
- Bring your digital or printed requisition form, available in the Labs tab of your Fullscript account.
- Check-in: Scan the QR code from your confirmation email or follow kiosk instructions.
- More Info: Quest Diagnostics blood draw guide
Getlabs Mobile Phlebotomy
- Location: Sample collection at your home or office.
- Cost: $85 sample collection fee (paid during lab order checkout).
- Availability: Available in most locations – enter your ZIP code during checkout to confirm.
- Scheduling: Schedule your appointment here through your Fullscript account.
- Collection Instructions:
- Have your digital or printed requisition form and valid ID ready.
- Your phlebotomist will contact you by phone to coordinate arrival.
- More Info: Getlabs blood draw guide
Specimen
- Preferred Specimen(s): 5 mL whole blood collected in an EDTA (lavender-top) tube
- Alternative: NA
- Minimum Volume: 0.5 mL
- Collection Instructions: NA
Storage and shipping instructions
- Transport Container: EDTA (lavender-top) tube
- Transport Temperature: Room Temperature
- Specimen Stability:
- Room temperature: 72 hours
- Reject Criteria:
- Hemolysis • Received refrigerated • Received frozen
State restrictions:
Patient can't order this test if they are located in Hawaii, Puerto Rico, New Jersey, New York, or Rhode Island
